Celestron 91510 instruction manual

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Motor Drive (#93517) - This single-axis unit runs off D-cell batteries. It compensates for the Earth's rotation keeping celestial objects centered in the field of view. This makes observing much more enjoyable as it eliminates the constant usage of the slow motion controls. A dual-axis model (#93522) is also available.

Eyepieces - A whole assortment of various sizes of 1 - 1/4" eyepieces are available to give you a wide range of magnifications.

Eyepiece filters - A line of filters are available for 1-1/4" eyepieces to enhance your visual observations of the Moon and planets.

Collimation Tool for Newtonians (#94183) - A helpful aid to collimating your telescope. Provided is a simple tool and detailed instructions.

Polar Axis Finderscope (#94221) – This useful accessory helps speeds accurate polar alignment by using an etched reticle for finding the North Celestial Pole.

T-Adapters- Allows you to take short exposure photos of the Moon. It requires a 35mm SLR camera and a T-Ring for your brand of camera.

Other - Numerous other accessories are available. See the Celestron Accessory Catalog (#93685) or ask your Celestron dealer for details.

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Contents Models #21077 / #21016 / #31027 / #31056 / #91510 Identifying Parts of Figure C80-HD & C102-HDC114-HD & C150-HD CG-4 EQ MountSetting Up the Tripod IntroductionInstalling the Counterweights Installing the Counterweight BarAttaching the Optical Tube Balancing the Telescope Scope is properly balanced in right ascensionAttaching the Finderscope for #21077, #21016 & #31056 Attaching the Finderscope for #31027Attaching the Accessories Aligning the FinderscopeCalculating Magnification Celestial Coordinate SystemPolar Alignment Page Aligning the R.A. Setting Circle Using the R.A. Vernier Scale Telescope Maintenance Collimation for the #31027 and #31056 onlyC80-HD #21077 C102-HD C150-HD#21016 #31056Page Celestron TWO Year Warranty

91510 specifications

The Celestron 91510 is a remarkable telescope that offers astronomy enthusiasts a blend of quality, portability, and advanced features, making it a popular choice for both beginners and seasoned stargazers alike. Known for its impressive optics, the Celestron 91510 utilizes a 70mm refractor design that provides bright and clear images, ideal for observing celestial objects such as planets, stars, and deep-sky phenomena.

One of the standout features of the Celestron 91510 is its fully coated optics, which enhance light transmission and improve image quality. This ensures that users can observe fine details in celestial bodies, such as the rings of Saturn or the craters on the Moon. The telescope comes with two eyepieces of different focal lengths, allowing for varying magnification. This versatility enables users to explore the night sky with ease, offering both wide-field views of star clusters and higher magnification for detailed observations.

Portability is another significant advantage of the Celestron 91510. Designed with travel in mind, this telescope is lightweight and compact, making it easy to set up and transport. It features a sturdy yet portable mount that provides stable support during observations. The pan-and-tilt head allows for smooth tracking of celestial objects, ensuring that users can focus on their targets without hassle.

Moreover, the telescope includes a red dot finder which aids in locating objects quickly in the night sky. This user-friendly feature is especially beneficial for beginners who may find it challenging to navigate the stars. The adjustable tripod provides a stable base and can be set to various heights, ensuring comfort during extended viewing sessions.

Celestron's commitment to quality and innovation is evident in the design of the 91510. It incorporates durable materials that withstand the rigors of outdoor use, ensuring longevity. Additionally, the telescope's overall aesthetic appeal, complete with a sleek design, adds to the enjoyment of using this astronomical instrument.

In summary, the Celestron 91510 is an excellent choice for anyone looking to delve into the wonders of astronomy. With its high-quality optics, user-friendly features, and portability, it offers an enjoyable stargazing experience. Whether you are a novice wanting to explore the cosmos or an experienced astronomer seeking a reliable companion, the Celestron 91510 stands out as an exceptional option.